Home / 18,826.74-28,239.84-4,595.40

Finding the Fourth Proportional to 18,826.74, 28,239.84 and 4,595.40

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Solution

The fourth proportional to 18,826.74, 28,239.84 and 4,595.40 is: 6,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.74 : 28,239.84 = 4,595.40 : x
  2. Step 2: Convert to fraction form
    18,826.74/28,239.84 = 4,595.40/x
  3. Step 3: Cross multiply
    18,826.74x = 28,239.84 × 4,595.40
  4. Step 4: Simplify right side
    18,826.74x = 129,773,360.74
  5. Step 5: Solve for x
    x = 129,773,360.74/18,826.74
  6. Step 6: Final answer
    x = 6,893.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.